Blood oxygen saturation, or SpO2, sits between 95 and 100 percent for most healthy adults, according to the FDA. A reading of 92 percent or lower at home is the point where Cleveland Clinic tells ...

Blood oxygen levels have come into the spotlight this year because health practitioners are using that metric to check for and monitor COVID-19 cases. But blood oxygen, or SpO2, levels have been used ...

A new proof-of-principle study shows a smartphone’s camera and flash can detect blood oxygen saturation levels down to 70%. That’s the lowest value that pulse oximeters should be able to measure, as ...

Scientists map the hidden protein network that helps red blood cells adapt to oxygen ...

Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" 1 billion years ago, creating conditions that could have accelerated the development of early animal life, according to ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A doctor has disproved the myth that face masks or coverings lower ...